Commit message: Merge pull request from GHSA-48w2-rm65-62xx

* Fix HTTP request smuggling vulnerability

See GHSA-48w2-rm65-62xx or CVE-2021-41136 for more info.

* 4.3.9 release note

* 5.5.1 release note

* 5.5.1
CVE: CVE-2021-41136
CWE: CWE-444
Vulnerability description: Puma is a HTTP 1.1 server for Ruby/Rack applications. Prior to versions 5.5.1 and 4.3.9, using `puma` with a proxy which forwards HTTP header values which contain the LF character could allow HTTP request smugggling. A client could smuggle a request through a proxy, causing the proxy to send a response back to another unknown client. The only proxy which has this behavior, as far as the Puma team is aware of, is Apache Traffic Server. If the proxy uses persistent connections and the client adds another request in via HTTP pipelining, the proxy may mistake it as the first request's body. Puma, however, would see it as two requests, and when processing the second request, send back a response that the proxy does not expect. If the proxy has reused the persistent connection to Puma to send another request for a different client, the second response from the first client will be sent to the second client. This vulnerability was patched in Puma 5.5.1 and 4.3.9. As a workaround, do not use Apache Traffic Server with `puma`.

Project: puma
File: http11_parser.c

size_t puma_parser_execute(puma_parser *parser, const char *buffer, size_t len, size_t off)  {
  const char *p, *pe;
  int cs = parser->cs;

  assert(off <= len && "offset past end of buffer");

  p = buffer+off;
  pe = buffer+len;

  /* assert(*pe == '\0' && "pointer does not end on NUL"); */
  assert((size_t) (pe - p) == len - off && "pointers aren't same distance");

  
#line 87 "ext/puma_http11/http11_parser.c"
	{
	if ( p == pe )
		goto _test_eof;
	switch ( cs )
	{
case 1:
	switch( (*p) ) {
		case 36: goto tr0;
		case 95: goto tr0;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto tr0;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto tr0;
	} else
		goto tr0;
	goto st0;
st0:
cs = 0;
	goto _out;
tr0:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st2;
st2:
	if ( ++p == pe )
		goto _test_eof2;
case 2:
#line 118 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st27;
		case 95: goto st27;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st27;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st27;
	} else
		goto st27;
	goto st0;
tr2:
#line 50 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_method(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st3;
st3:
	if ( ++p == pe )
		goto _test_eof3;
case 3:
#line 143 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 42: goto tr4;
		case 43: goto tr5;
		case 47: goto tr6;
		case 58: goto tr7;
	}
	if ( (*p) < 65 ) {
		if ( 45 <= (*p) && (*p) <= 57 )
			goto tr5;
	} else if ( (*p) > 90 ) {
		if ( 97 <= (*p) && (*p) <= 122 )
			goto tr5;
	} else
		goto tr5;
	goto st0;
tr4:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st4;
st4:
	if ( ++p == pe )
		goto _test_eof4;
case 4:
#line 167 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr8;
		case 35: goto tr9;
	}
	goto st0;
tr8:
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st5;
tr31:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
#line 56 "ext/puma_http11/http11_parser.rl"
	{
    parser->fragment(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st5;
tr33:
#line 56 "ext/puma_http11/http11_parser.rl"
	{
    parser->fragment(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st5;
tr37:
#line 69 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
  }
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st5;
tr41:
#line 60 "ext/puma_http11/http11_parser.rl"
	{ MARK(query_start, p); }
#line 61 "ext/puma_http11/http11_parser.rl"
	{
    parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
  }
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st5;
tr44:
#line 61 "ext/puma_http11/http11_parser.rl"
	{
    parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
  }
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st5;
st5:
	if ( ++p == pe )
		goto _test_eof5;
case 5:
#line 229 "ext/puma_http11/http11_parser.c"
	if ( (*p) == 72 )
		goto tr10;
	goto st0;
tr10:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st6;
st6:
	if ( ++p == pe )
		goto _test_eof6;
case 6:
#line 241 "ext/puma_http11/http11_parser.c"
	if ( (*p) == 84 )
		goto st7;
	goto st0;
st7:
	if ( ++p == pe )
		goto _test_eof7;
case 7:
	if ( (*p) == 84 )
		goto st8;
	goto st0;
st8:
	if ( ++p == pe )
		goto _test_eof8;
case 8:
	if ( (*p) == 80 )
		goto st9;
	goto st0;
st9:
	if ( ++p == pe )
		goto _test_eof9;
case 9:
	if ( (*p) == 47 )
		goto st10;
	goto st0;
st10:
	if ( ++p == pe )
		goto _test_eof10;
case 10:
	if ( 48 <= (*p) && (*p) <= 57 )
		goto st11;
	goto st0;
st11:
	if ( ++p == pe )
		goto _test_eof11;
case 11:
	if ( (*p) == 46 )
		goto st12;
	if ( 48 <= (*p) && (*p) <= 57 )
		goto st11;
	goto st0;
st12:
	if ( ++p == pe )
		goto _test_eof12;
case 12:
	if ( 48 <= (*p) && (*p) <= 57 )
		goto st13;
	goto st0;
st13:
	if ( ++p == pe )
		goto _test_eof13;
case 13:
	if ( (*p) == 13 )
		goto tr18;
	if ( 48 <= (*p) && (*p) <= 57 )
		goto st13;
	goto st0;
tr18:
#line 65 "ext/puma_http11/http11_parser.rl"
	{
    parser->http_version(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st14;
tr26:
#line 46 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
#line 47 "ext/puma_http11/http11_parser.rl"
	{
    parser->http_field(parser, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
  }
	goto st14;
tr29:
#line 47 "ext/puma_http11/http11_parser.rl"
	{
    parser->http_field(parser, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
  }
	goto st14;
st14:
	if ( ++p == pe )
		goto _test_eof14;
case 14:
#line 322 "ext/puma_http11/http11_parser.c"
	if ( (*p) == 10 )
		goto st15;
	goto st0;
st15:
	if ( ++p == pe )
		goto _test_eof15;
case 15:
	switch( (*p) ) {
		case 13: goto st16;
		case 33: goto tr21;
		case 124: goto tr21;
		case 126: goto tr21;
	}
	if ( (*p) < 45 ) {
		if ( (*p) > 39 ) {
			if ( 42 <= (*p) && (*p) <= 43 )
				goto tr21;
		} else if ( (*p) >= 35 )
			goto tr21;
	} else if ( (*p) > 46 ) {
		if ( (*p) < 65 ) {
			if ( 48 <= (*p) && (*p) <= 57 )
				goto tr21;
		} else if ( (*p) > 90 ) {
			if ( 94 <= (*p) && (*p) <= 122 )
				goto tr21;
		} else
			goto tr21;
	} else
		goto tr21;
	goto st0;
st16:
	if ( ++p == pe )
		goto _test_eof16;
case 16:
	if ( (*p) == 10 )
		goto tr22;
	goto st0;
tr22:
#line 73 "ext/puma_http11/http11_parser.rl"
	{
    parser->body_start = p - buffer + 1;
    parser->header_done(parser, p + 1, pe - p - 1);
    {p++; cs = 46; goto _out;}
  }
	goto st46;
st46:
	if ( ++p == pe )
		goto _test_eof46;
case 46:
#line 373 "ext/puma_http11/http11_parser.c"
	goto st0;
tr21:
#line 40 "ext/puma_http11/http11_parser.rl"
	{ MARK(field_start, p); }
#line 41 "ext/puma_http11/http11_parser.rl"
	{ snake_upcase_char((char *)p); }
	goto st17;
tr23:
#line 41 "ext/puma_http11/http11_parser.rl"
	{ snake_upcase_char((char *)p); }
	goto st17;
st17:
	if ( ++p == pe )
		goto _test_eof17;
case 17:
#line 389 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 33: goto tr23;
		case 58: goto tr24;
		case 124: goto tr23;
		case 126: goto tr23;
	}
	if ( (*p) < 45 ) {
		if ( (*p) > 39 ) {
			if ( 42 <= (*p) && (*p) <= 43 )
				goto tr23;
		} else if ( (*p) >= 35 )
			goto tr23;
	} else if ( (*p) > 46 ) {
		if ( (*p) < 65 ) {
			if ( 48 <= (*p) && (*p) <= 57 )
				goto tr23;
		} else if ( (*p) > 90 ) {
			if ( 94 <= (*p) && (*p) <= 122 )
				goto tr23;
		} else
			goto tr23;
	} else
		goto tr23;
	goto st0;
tr24:
#line 42 "ext/puma_http11/http11_parser.rl"
	{
    parser->field_len = LEN(field_start, p);
  }
	goto st18;
tr27:
#line 46 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st18;
st18:
	if ( ++p == pe )
		goto _test_eof18;
case 18:
#line 428 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 13: goto tr26;
		case 32: goto tr27;
	}
	goto tr25;
tr25:
#line 46 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st19;
st19:
	if ( ++p == pe )
		goto _test_eof19;
case 19:
#line 442 "ext/puma_http11/http11_parser.c"
	if ( (*p) == 13 )
		goto tr29;
	goto st19;
tr9:
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st20;
tr38:
#line 69 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
  }
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st20;
tr42:
#line 60 "ext/puma_http11/http11_parser.rl"
	{ MARK(query_start, p); }
#line 61 "ext/puma_http11/http11_parser.rl"
	{
    parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
  }
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st20;
tr45:
#line 61 "ext/puma_http11/http11_parser.rl"
	{
    parser->query_string(parser, PTR_TO(query_start), LEN(query_start, p));
  }
#line 53 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_uri(parser, PTR_TO(mark), LEN(mark, p));
  }
	goto st20;
st20:
	if ( ++p == pe )
		goto _test_eof20;
case 20:
#line 488 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr31;
		case 60: goto st0;
		case 62: goto st0;
		case 127: goto st0;
	}
	if ( (*p) > 31 ) {
		if ( 34 <= (*p) && (*p) <= 35 )
			goto st0;
	} else if ( (*p) >= 0 )
		goto st0;
	goto tr30;
tr30:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st21;
st21:
	if ( ++p == pe )
		goto _test_eof21;
case 21:
#line 509 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr33;
		case 60: goto st0;
		case 62: goto st0;
		case 127: goto st0;
	}
	if ( (*p) > 31 ) {
		if ( 34 <= (*p) && (*p) <= 35 )
			goto st0;
	} else if ( (*p) >= 0 )
		goto st0;
	goto st21;
tr5:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st22;
st22:
	if ( ++p == pe )
		goto _test_eof22;
case 22:
#line 530 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 43: goto st22;
		case 58: goto st23;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st22;
	} else if ( (*p) > 57 ) {
		if ( (*p) > 90 ) {
			if ( 97 <= (*p) && (*p) <= 122 )
				goto st22;
		} else if ( (*p) >= 65 )
			goto st22;
	} else
		goto st22;
	goto st0;
tr7:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st23;
st23:
	if ( ++p == pe )
		goto _test_eof23;
case 23:
#line 555 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr8;
		case 34: goto st0;
		case 35: goto tr9;
		case 60: goto st0;
		case 62: goto st0;
		case 127: goto st0;
	}
	if ( 0 <= (*p) && (*p) <= 31 )
		goto st0;
	goto st23;
tr6:
#line 37 "ext/puma_http11/http11_parser.rl"
	{ MARK(mark, p); }
	goto st24;
st24:
	if ( ++p == pe )
		goto _test_eof24;
case 24:
#line 575 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr37;
		case 34: goto st0;
		case 35: goto tr38;
		case 60: goto st0;
		case 62: goto st0;
		case 63: goto tr39;
		case 127: goto st0;
	}
	if ( 0 <= (*p) && (*p) <= 31 )
		goto st0;
	goto st24;
tr39:
#line 69 "ext/puma_http11/http11_parser.rl"
	{
    parser->request_path(parser, PTR_TO(mark), LEN(mark,p));
  }
	goto st25;
st25:
	if ( ++p == pe )
		goto _test_eof25;
case 25:
#line 598 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr41;
		case 34: goto st0;
		case 35: goto tr42;
		case 60: goto st0;
		case 62: goto st0;
		case 127: goto st0;
	}
	if ( 0 <= (*p) && (*p) <= 31 )
		goto st0;
	goto tr40;
tr40:
#line 60 "ext/puma_http11/http11_parser.rl"
	{ MARK(query_start, p); }
	goto st26;
st26:
	if ( ++p == pe )
		goto _test_eof26;
case 26:
#line 618 "ext/puma_http11/http11_parser.c"
	switch( (*p) ) {
		case 32: goto tr44;
		case 34: goto st0;
		case 35: goto tr45;
		case 60: goto st0;
		case 62: goto st0;
		case 127: goto st0;
	}
	if ( 0 <= (*p) && (*p) <= 31 )
		goto st0;
	goto st26;
st27:
	if ( ++p == pe )
		goto _test_eof27;
case 27:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st28;
		case 95: goto st28;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st28;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st28;
	} else
		goto st28;
	goto st0;
st28:
	if ( ++p == pe )
		goto _test_eof28;
case 28:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st29;
		case 95: goto st29;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st29;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st29;
	} else
		goto st29;
	goto st0;
st29:
	if ( ++p == pe )
		goto _test_eof29;
case 29:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st30;
		case 95: goto st30;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st30;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st30;
	} else
		goto st30;
	goto st0;
st30:
	if ( ++p == pe )
		goto _test_eof30;
case 30:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st31;
		case 95: goto st31;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st31;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st31;
	} else
		goto st31;
	goto st0;
st31:
	if ( ++p == pe )
		goto _test_eof31;
case 31:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st32;
		case 95: goto st32;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st32;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st32;
	} else
		goto st32;
	goto st0;
st32:
	if ( ++p == pe )
		goto _test_eof32;
case 32:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st33;
		case 95: goto st33;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st33;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st33;
	} else
		goto st33;
	goto st0;
st33:
	if ( ++p == pe )
		goto _test_eof33;
case 33:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st34;
		case 95: goto st34;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st34;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st34;
	} else
		goto st34;
	goto st0;
st34:
	if ( ++p == pe )
		goto _test_eof34;
case 34:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st35;
		case 95: goto st35;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st35;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st35;
	} else
		goto st35;
	goto st0;
st35:
	if ( ++p == pe )
		goto _test_eof35;
case 35:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st36;
		case 95: goto st36;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st36;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st36;
	} else
		goto st36;
	goto st0;
st36:
	if ( ++p == pe )
		goto _test_eof36;
case 36:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st37;
		case 95: goto st37;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st37;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st37;
	} else
		goto st37;
	goto st0;
st37:
	if ( ++p == pe )
		goto _test_eof37;
case 37:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st38;
		case 95: goto st38;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st38;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st38;
	} else
		goto st38;
	goto st0;
st38:
	if ( ++p == pe )
		goto _test_eof38;
case 38:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st39;
		case 95: goto st39;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st39;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st39;
	} else
		goto st39;
	goto st0;
st39:
	if ( ++p == pe )
		goto _test_eof39;
case 39:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st40;
		case 95: goto st40;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st40;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st40;
	} else
		goto st40;
	goto st0;
st40:
	if ( ++p == pe )
		goto _test_eof40;
case 40:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st41;
		case 95: goto st41;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st41;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st41;
	} else
		goto st41;
	goto st0;
st41:
	if ( ++p == pe )
		goto _test_eof41;
case 41:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st42;
		case 95: goto st42;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st42;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st42;
	} else
		goto st42;
	goto st0;
st42:
	if ( ++p == pe )
		goto _test_eof42;
case 42:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st43;
		case 95: goto st43;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st43;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st43;
	} else
		goto st43;
	goto st0;
st43:
	if ( ++p == pe )
		goto _test_eof43;
case 43:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st44;
		case 95: goto st44;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st44;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st44;
	} else
		goto st44;
	goto st0;
st44:
	if ( ++p == pe )
		goto _test_eof44;
case 44:
	switch( (*p) ) {
		case 32: goto tr2;
		case 36: goto st45;
		case 95: goto st45;
	}
	if ( (*p) < 48 ) {
		if ( 45 <= (*p) && (*p) <= 46 )
			goto st45;
	} else if ( (*p) > 57 ) {
		if ( 65 <= (*p) && (*p) <= 90 )
			goto st45;
	} else
		goto st45;
	goto st0;
st45:
	if ( ++p == pe )
		goto _test_eof45;
case 45:
	if ( (*p) == 32 )
		goto tr2;
	goto st0;
	}
	_test_eof2: cs = 2; goto _test_eof; 
	_test_eof3: cs = 3; goto _test_eof; 
	_test_eof4: cs = 4; goto _test_eof; 
	_test_eof5: cs = 5; goto _test_eof; 
	_test_eof6: cs = 6; goto _test_eof; 
	_test_eof7: cs = 7; goto _test_eof; 
	_test_eof8: cs = 8; goto _test_eof; 
	_test_eof9: cs = 9; goto _test_eof; 
	_test_eof10: cs = 10; goto _test_eof; 
	_test_eof11: cs = 11; goto _test_eof; 
	_test_eof12: cs = 12; goto _test_eof; 
	_test_eof13: cs = 13; goto _test_eof; 
	_test_eof14: cs = 14; goto _test_eof; 
	_test_eof15: cs = 15; goto _test_eof; 
	_test_eof16: cs = 16; goto _test_eof; 
	_test_eof46: cs = 46; goto _test_eof; 
	_test_eof17: cs = 17; goto _test_eof; 
	_test_eof18: cs = 18; goto _test_eof; 
	_test_eof19: cs = 19; goto _test_eof; 
	_test_eof20: cs = 20; goto _test_eof; 
	_test_eof21: cs = 21; goto _test_eof; 
	_test_eof22: cs = 22; goto _test_eof; 
	_test_eof23: cs = 23; goto _test_eof; 
	_test_eof24: cs = 24; goto _test_eof; 
	_test_eof25: cs = 25; goto _test_eof; 
	_test_eof26: cs = 26; goto _test_eof; 
	_test_eof27: cs = 27; goto _test_eof; 
	_test_eof28: cs = 28; goto _test_eof; 
	_test_eof29: cs = 29; goto _test_eof; 
	_test_eof30: cs = 30; goto _test_eof; 
	_test_eof31: cs = 31; goto _test_eof; 
	_test_eof32: cs = 32; goto _test_eof; 
	_test_eof33: cs = 33; goto _test_eof; 
	_test_eof34: cs = 34; goto _test_eof; 
	_test_eof35: cs = 35; goto _test_eof; 
	_test_eof36: cs = 36; goto _test_eof; 
	_test_eof37: cs = 37; goto _test_eof; 
	_test_eof38: cs = 38; goto _test_eof; 
	_test_eof39: cs = 39; goto _test_eof; 
	_test_eof40: cs = 40; goto _test_eof; 
	_test_eof41: cs = 41; goto _test_eof; 
	_test_eof42: cs = 42; goto _test_eof; 
	_test_eof43: cs = 43; goto _test_eof; 
	_test_eof44: cs = 44; goto _test_eof; 
	_test_eof45: cs = 45; goto _test_eof; 

	_test_eof: {}
	_out: {}
	}

#line 117 "ext/puma_http11/http11_parser.rl"

  if (!puma_parser_has_error(parser))
    parser->cs = cs;
  parser->nread += p - (buffer + off);

  assert(p <= pe && "buffer overflow after parsing execute");
  assert(parser->nread <= len && "nread longer than length");
  assert(parser->body_start <= len && "body starts after buffer end");
  assert(parser->mark < len && "mark is after buffer end");
  assert(parser->field_len <= len && "field has length longer than whole buffer");
  assert(parser->field_start < len && "field starts after buffer end");

  return(parser->nread);
}